| // Copyright Istio Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package traffic |
| |
| import ( |
| "bytes" |
| "fmt" |
| ) |
| |
| import ( |
| "github.com/hashicorp/go-multierror" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/pkg/test" |
| "github.com/apache/dubbo-go-pixiu/pkg/test/framework/components/echo" |
| ) |
| |
| // Result of a traffic generation operation. |
| type Result struct { |
| TotalRequests int |
| SuccessfulRequests int |
| Error error |
| } |
| |
| func (r Result) String() string { |
| buf := &bytes.Buffer{} |
| |
| _, _ = fmt.Fprintf(buf, "TotalRequests: %d\n", r.TotalRequests) |
| _, _ = fmt.Fprintf(buf, "SuccessfulRequests: %d\n", r.SuccessfulRequests) |
| _, _ = fmt.Fprintf(buf, "PercentSuccess: %f\n", r.PercentSuccess()) |
| _, _ = fmt.Fprintf(buf, "Errors: %v\n", r.Error) |
| |
| return buf.String() |
| } |
| |
| func (r *Result) add(result echo.CallResult, err error) { |
| count := result.Responses.Len() |
| if count == 0 { |
| count = 1 |
| } |
| |
| r.TotalRequests += count |
| if err != nil { |
| r.Error = multierror.Append(r.Error, fmt.Errorf("request %d: %v", r.TotalRequests, err)) |
| } else { |
| r.SuccessfulRequests += count |
| } |
| } |
| |
| func (r Result) PercentSuccess() float64 { |
| return float64(r.SuccessfulRequests) / float64(r.TotalRequests) |
| } |
| |
| // CheckSuccessRate asserts that a minimum success threshold was met. |
| func (r Result) CheckSuccessRate(t test.Failer, minimumPercent float64) { |
| if r.PercentSuccess() < minimumPercent { |
| t.Fatalf("Minimum success threshold, %f, was not met. %d/%d (%f) requests failed: %v", |
| minimumPercent, r.SuccessfulRequests, r.TotalRequests, r.PercentSuccess(), r.Error) |
| } |
| if r.SuccessfulRequests == r.TotalRequests { |
| t.Log("traffic checker succeeded with all successful requests") |
| } else { |
| t.Logf("traffic checker met minimum threshold, with %d/%d successes, but encountered some failures: %v", r.SuccessfulRequests, r.TotalRequests, r.Error) |
| } |
| } |